sbase

suckless unix tools
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commit 952fa19362bfcc4c68cdb4a89024c13998764549
parent 5e9c4d781b93a70f39a257769e0023ba4f33dd35
Author: Markus Teich <markus.teich@stusta.mhn.de>
Date:   Sun,  6 Oct 2013 19:52:18 +0100

ls: rework implementation for reversing the sort order

Update the usage line as well.

Diffstat:
Mls.c | 16++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/ls.c b/ls.c @@ -33,16 +33,16 @@ static bool aflag = false; static bool dflag = false; static bool iflag = false; static bool lflag = false; +static bool rflag = false; static bool tflag = false; static bool Uflag = false; -static int sortorder = 1; static bool first = true; static bool many; static void usage(void) { - eprintf("usage: %s [-adiltU] [FILE...]\n", argv0); + eprintf("usage: %s [-adilrtU] [FILE...]\n", argv0); } int @@ -65,7 +65,7 @@ main(int argc, char *argv[]) lflag = true; break; case 'r': - sortorder = -1; + rflag = true; break; case 't': tflag = true; @@ -87,7 +87,7 @@ main(int argc, char *argv[]) mkent(&ents[i], argv[i], true); qsort(ents, argc, sizeof *ents, entcmp); for(i = 0; i < argc; i++) - ls(&ents[i]); + ls(&ents[rflag ? argc-i-1 : i]); return 0; } @@ -98,9 +98,9 @@ entcmp(const void *va, const void *vb) const Entry *a = va, *b = vb; if(tflag) - return sortorder * (b->mtime - a->mtime); + return b->mtime - a->mtime; else - return sortorder * (strcmp(a->name, b->name)); + return strcmp(a->name, b->name); } void @@ -155,8 +155,8 @@ lsdir(const char *path) if(!Uflag){ qsort(ents, n, sizeof *ents, entcmp); for(i = 0; i < n; i++) { - output(&ents[i]); - free(ents[i].name); + output(&ents[rflag ? n-i-1 : i]); + free(ents[rflag ? n-i-1 : i].name); } } if(chdir(cwd) == -1)